net: hns: Remove unused macro AE_NAME_PORT_ID_IDX

mainline inclusion
from mainline-5.10-rc1
commit 26613a95
category: bugfix
bugzilla: NA
CVE: NA

---------------------------

There is no caller in tree.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Reviewed-by: li yongxin <liyongxin1@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>